*{margin: 0px;padding: 0px;}
body{background-image: url(img/微信图片_20211116194326.jpg);}
img{margin-left: 10%;float: left;}
h1{color: white;float: left;margin-top: 1%;margin-left: 1%;}
a{text-decoration: none;color: white;}
#daohang{float: left;margin-top: 2%;}
#daohang{margin-left: 5%;text-align: center;float: left;width: 90%;height: 1%;}
#daohang div{font-size: 30px;color: #FFFFFF;margin-left: 1%;float: left;background: dodgerblue;
  width: 15%;height: 1%;
}

.search #in{width:454px;height:30px;border:2px solid ;outline:none;font:14px/30px "microsoft yahei";margin-left: 60%;
}
.search .btn_search{background:skyblue;width:80px;height:34px;color:white;margin-top: 2%;
  border:none;outline:none;font:14px/34px "microsoft yahei";
}
h3{margin-left: 40%;font-size: 30px;color: white;}